Device and method for testing dynamic performance of torque motor

Abstract

The embodiment of the invention provides a torque motor dynamic performance testing device and method. The device comprises a rack 1, a motor mounting tool 2, a guide tool 3, a transmission main shaft 4, a load motor 5, a data acquisition box 6 and a display and control cabinet. According to the method, the split type torque motor is tested based on the device, the dynamic performance of the split type torque motor is obtained, and various parameters of the motor are mastered before servo debugging is carried out on an assembly shaft system. According to the torque motor dynamic performance testing device and method provided by the invention, the dynamic performance of the motor can be mastered before assembly and debugging, the time for disassembling and assembling a shaft system due to the motor problem can be effectively shortened, the precision of the shaft system is improved, and the device and method have important significance on the reliability of equipment.

Description

Technical Field

[0001] The present application relates to the technical field of motor testing, and in particular to a torque motor dynamic performance testing device and method. Background Art

[0002] Optoelectronic equipment generally has the function of moving in the pitch direction and azimuth rotation direction. Fast response speed and good tracking performance are important factors in judging the performance of optoelectronic equipment. When moving in pitch or azimuth, the controller inputs instructions to the motor, and the motor responds to drive the structure to move to a specific position at a specific speed. Whether it can respond quickly to track the target, in addition to the influence of the control algorithm, the performance of the motor itself is also crucial. Therefore, it is necessary to conduct dynamic performance testing on the motor used in the equipment, which can identify in advance whether the motor has normal use functions and performance parameters, reduce the repair time for motor problems after assembly, and improve the equipment installation efficiency. Summary of the invention

[0003] The purpose of the present invention is to use a testing device and method to test a separately assembled torque motor, obtain the dynamic performance of the separately assembled torque motor, and master various parameters of the motor before assembling the shaft system for servo debugging.

[0004] An embodiment of the present invention provides a torque motor dynamic performance testing device, comprising:

[0005] A stand 1, used to install and carry the entire device, and a guide rail is provided on the stand 1 to limit the movement of the device part;

[0006] A motor installation tool 2 is fixed on the bench 1, and the motor installation tool 2 includes a panel 2.1, a motor stator connector 2.2 and a motor rotor support 2.3. The motor stator 8 is connected to the panel 2.1 through the stator connector 2.2, and the motor rotor 9 is matched with the transmission main shaft 4 through the rotor support 2.3. The motor stator 8 and the motor rotor 9 are attracted by magnetic force;

[0007] The guide fixture 3 comprises a guide frame 3.1 and a guide rod 3.2 fixedly mounted on the stand 1, wherein the front end of the guide rod 3.2 has a thread which cooperates with the threaded hole on the end face of the motor rotor support 2.3;

[0008] The transmission main shaft 4 passes through the motor installation tool 2 and is connected to the motor under test and the load motor 5;

[0009] The load motor 5 is a servo motor, whose output torque can be increased step by step according to the set value, and the real-time torque data is fed back to the display and control cabinet;

[0010] Data acquisition box 6, which supplies power to the motor under test and has a built-in sensor to test the real-time current of the motor under test;

[0011] Display and control cabinet, used to control the motor drive and output test reports.

[0012] In some embodiments, the motor stator connector 2.2 and the motor rotor support 2.3 in the motor installation tool 2 are respectively connected to the motor stator 8 and the motor rotor 9 by screws.

[0013] In some embodiments, the guide rod 3 . 2 in the guide fixture 3 cooperates with the threaded hole on the end surface of the motor rotor support 2 . 3 to achieve positioning of the motor rotor 9 along the direction of the transmission main shaft 4 .

[0014] In some embodiments, the load motor 5 can increase the output torque step by step according to a preset program, and feed back the torque data to the display and control cabinet in real time.

[0015] In some embodiments, the internal sensor of the data acquisition box 6 can measure the current of the motor under test and communicate with the display and control cabinet to obtain parameters including voltage, current, efficiency and torque constant.

[0016] In some embodiments, the transmission main shaft 4 passes through the motor installation tool 2, specifically including:

[0017] The transmission main shaft 4 passes through the panel 2.1, the motor stator connecting member 2.2 and the motor rotor supporting member 2.3.

[0018] In some embodiments, the motor stator connector 2 . 2 , the motor rotor support 2 . 3 , the motor stator 8 and the motor rotor 9 are coaxially arranged around the transmission main shaft 4 .

[0019] A method for testing dynamic performance of a torque motor, based on the torque motor dynamic performance testing device described in any of the above embodiments, the method comprising:

[0020] Step 1: Connect the torque motor stator and the stator connector by screws;

[0021] Step 2: Connect the stator connector to the panel of the motor installation tooling by screws;

[0022] Step 3, connecting the torque motor rotor to the rotor support by screws;

[0023] Step 4: Pass the center hole of the rotor support through the transmission main shaft, and use the guide rod to slowly push the motor rotor along the main shaft into the direction of the electronic stator through the guide frame. After the motor stator and rotor are attracted, remove the guide rod;

[0024] Step 5, connecting the motor power line to the data acquisition box, and driving the motor to a predetermined state for stable rotation;

[0025] Step 6: Load the motor torque from zero in steps of 0.1 Nm, and the torque is transmitted back in real time through the sensor;

[0026] Step 7: The sensor inside the data acquisition box measures the current of the motor under test;

[0027] Step 8: The display and control cabinet calculates the voltage, current, efficiency and torque constant parameters of the motor under test.

[0028] In some embodiments, the increase in the load motor torque in step six is ​​performed automatically according to a preset program.

[0029] In some embodiments, the parameters calculated in step eight are used to generate a test report, which is output by the display and control cabinet.

[0030] The beneficial effects of the above embodiments include:

[0031] The present invention proposes a torque motor dynamic performance testing device and method, which can grasp the dynamic performance of the motor before assembly and debugging, can effectively reduce the time for disassembling and assembling the shaft system due to motor problems, improve the accuracy of the shaft system, and is of great significance to the reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings illustrate generally, by way of example and not limitation, various embodiments discussed herein.

[0033] Figure 1 It is a structural schematic diagram of a torque motor dynamic performance test device;

[0034] Figure 2 This is the installation diagram of the torque motor tooling

[0035] Figure 3 This is the test method schematic diagram DETAILED DESCRIPTION

[0036] In order to enable a more detailed understanding of the features and technical contents of the embodiments of the present application, the implementation of the embodiments of the present application is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present application.

[0037] In the embodiments of the present application, it should be noted that, unless otherwise specified and limited, the term "connection" should be understood in a broad sense. For example, it can be an electrical connection or a connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0038] It should be noted that the terms "first\second\third" involved in the embodiments of the present application are only used to distinguish similar objects, and do not represent a specific order for the objects. It is understandable that the specific order or sequence of "first\second\third" can be interchanged where permitted. It should be understood that the objects distinguished by "first\second\third" can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0039] A torque motor dynamic performance testing device and method according to an embodiment of the present invention tests a separately assembled torque motor, obtains the dynamic performance of the separately assembled torque motor, and grasps various parameters of the motor before assembling the shaft system for servo debugging.

[0040] The following is combined with Figures 1 to 3 The embodiments of the present invention are described in detail.

[0041] The embodiment of the present invention provides a torque motor dynamic performance testing device, such as Figure 1 As shown, the device comprises a stand 1, a motor mounting fixture 2, a guide fixture 3, a transmission spindle 4, a load motor 5, a data acquisition box 6 and a display and control cabinet.

[0042] The stand 1 is used to install and support the entire device, and guide rails are provided on the stand 1 to limit the movement of the device parts.

[0043] like Figure 2 As shown, the motor installation tool 2 includes a panel 2.1 fixed on the stand 1, a motor stator connector 2.2 and a motor rotor support 2.3, the motor stator 8 is connected to the panel 2.1 through the stator connector 2.2, the motor rotor 9 is matched with the transmission main shaft 4 through the rotor support 2.3, and the motor stator 8 and the motor rotor 9 are attracted by magnetic force.

[0044] The guide fixture 3 comprises a guide frame 3.1 and a guide rod 3.2 fixedly mounted on the stand 1. The front end of the guide rod 3.2 has a thread which matches with the threaded hole on the end face of the motor rotor support 2.3.

[0045] The transmission main shaft 4 passes through the motor installation fixture 2 and is connected to the motor under test and the load motor 5 .

[0046] Here, the transmission main shaft 4 passes through the motor installation tooling 2, specifically including: the transmission main shaft 4 passes through the panel 2.1, the motor stator connector 2.2 and the motor rotor support 2.3. In some embodiments, the motor stator connector 2.2, the motor rotor support 2.3, the motor stator 8 and the motor rotor 9 are coaxially arranged around the transmission main shaft 4.

[0047] The load motor 5 is a servo motor. The output torque of the load motor 5 can be increased step by step according to the set value, and the real-time torque data can be fed back to the display and control cabinet.

[0048] The data acquisition box 6 supplies power to the motor under test and uses a built-in sensor to test the real-time current of the motor under test.

[0049] The display and control cabinet is used to control the motor drive and output test reports.

[0050] The embodiment of the present invention provides a method for testing the dynamic performance of a torque motor using the torque motor dynamic performance testing device of the above embodiment, such as Figure 3 As shown, the method comprises the following steps:

[0051] Step 1: Connect the torque motor stator and the stator connector by screws.

[0052] Step 2: Connect the stator connector to the panel of the motor installation tooling with screws.

[0053] Step three, connect the torque motor rotor and the rotor support by screws.

[0054] Step 4: Pass the center hole of the rotor support through the transmission main shaft, and use the guide rod to slowly push the motor rotor along the main shaft into the direction of the electronic stator through the guide frame. After the motor stator and rotor are attracted, remove the guide rod.

[0055] Step 5: Connect the motor power cord to the data acquisition box and drive the motor to a predetermined state for stable rotation.

[0056] Step six, load the motor torque from zero in steps of 0.1 Nm. The torque can be transmitted back in real time through the sensor.

[0057] Step 7: The sensor inside the data acquisition box measures the current of the motor under test.

[0058] Step 8: The display and control cabinet calculates the voltage, current, efficiency, torque constant and other parameters of the motor under test.

[0059] The present invention proposes a torque motor dynamic performance testing device and method, which can grasp the dynamic performance of the motor before assembly and debugging, can effectively reduce the time for disassembling and assembling the shaft system due to motor problems, improve the accuracy of the shaft system, and is of great significance to the reliability of the equipment.

[0060] The technical solutions described in the embodiments of the present application can be combined arbitrarily without conflict.

[0061] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A torque motor dynamic performance test device, characterized in that: include: A stand (1) for mounting and carrying the entire device, and a guide rail is arranged on the stand (1) for limiting the movement of parts of the device; A motor installation tool (2) is fixed on the stand (1), the motor installation tool (2) comprising a panel (2.1), a motor stator connector (2.2) and a motor rotor support (2.3), the motor stator (8) is connected to the panel (2.1) via the stator connector (2.2), the motor rotor (9) is matched with the transmission main shaft (4) via the rotor support (2.3), and the motor stator (8) and the motor rotor (9) are attracted by magnetic force; A guide fixture (3) comprising a guide frame (3.1) and a guide rod (3.2) fixedly mounted on the stand (1); the guide rod (3.2) has a thread at the front end thereof, which cooperates with a threaded hole on the end surface of the motor rotor support (2.3); The transmission main shaft (4) passes through the motor installation tool (2) and is connected to the motor under test and the load motor (5); The load motor (5) is a servo motor, whose output torque can be increased step by step according to a set value, and the real-time torque data can be fed back to the display and control cabinet; A data acquisition box (6) supplies power to the motor under test and uses a built-in sensor to test the real-time current of the motor under test; Display and control cabinet, used to control the motor drive and output test reports.

2. The torque motor dynamic performance test device according to claim 1, characterized in that: The motor stator connecting piece (2.2) and the motor rotor supporting piece (2.3) in the motor installation tool (2) are respectively connected to the motor stator (8) and the motor rotor (9) via screws.

3. The torque motor dynamic performance testing device according to claim 1, characterized in that: The guide rod (3.2) in the guide fixture (3) cooperates with the threaded hole on the end surface of the motor rotor support (2.3) to achieve positioning of the motor rotor (9) along the direction of the transmission main shaft (4).

4. The torque motor dynamic performance testing device according to claim 1, characterized in that: The load motor (5) can increase the output torque in steps according to a preset program, and feed back torque data to the display and control cabinet in real time.

5. The torque motor dynamic performance testing device according to claim 1, characterized in that: The internal sensor of the data acquisition box (6) can measure the current of the motor under test and communicate with the display and control cabinet to obtain parameters including voltage, current, efficiency and torque constant.

6. The torque motor dynamic performance testing device according to claim 1, characterized in that: The transmission main shaft (4) passes through the motor installation tool (2), and specifically comprises: The transmission main shaft (4) passes through the panel (2.1), the motor stator connecting piece (2.2) and the motor rotor supporting piece (2.3).

7. The torque motor dynamic performance testing device according to claim 6, characterized in that: The motor stator connecting member (2.2), the motor rotor supporting member (2.3), the motor stator (8) and the motor rotor (9) are coaxially arranged around the transmission main shaft (4).

8. A method for testing the dynamic performance of a torque motor, based on the torque motor dynamic performance testing device according to any one of claims 1 to 7, characterized in that: The method comprises: Step 1: Connect the torque motor stator and the stator connector by screws; Step 2: Connect the stator connector to the panel of the motor installation tooling by screws; Step 3, connecting the torque motor rotor to the rotor support by screws; Step 4: Pass the center hole of the rotor support through the transmission main shaft, and use the guide rod to slowly push the motor rotor along the main shaft into the direction of the electronic stator through the guide frame. After the motor stator and rotor are attracted, remove the guide rod; Step 5, connecting the motor power line to the data acquisition box, and driving the motor to a predetermined state for stable rotation; Step 6: Load the motor torque from zero in steps of 0.1 Nm, and the torque is transmitted back in real time through the sensor; Step 7: The sensor inside the data acquisition box measures the current of the motor under test; Step 8: The display and control cabinet calculates the voltage, current, efficiency and torque constant parameters of the motor under test.

9. The method for testing the dynamic performance of a torque motor according to claim 8, characterized in that: The increase of the load motor torque in step six is ​​performed automatically according to a preset program.

10. The method for testing the dynamic performance of a torque motor according to claim 8, characterized in that: The parameters calculated in step eight are used to generate a test report, which is output by the display and control cabinet.

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